A locking device with two keys spaced approximately 180 degrees center to center and protruding from the seating surface of the ring. When installed the keys mate with companion keyways in the external threads of screw thread inserts, locked-in studs, or similar type items, and cut through sufficient threads of the parent material tapped hole to provide a positive lock between the threaded bodies.
NSN 5855-01-088-8700
NSN 5975-00-730-3164
NSN 6110-01-252-9619
NSN 5965-01-590-9610
NSN 2925-00-983-7521
NSN 6110-00-878-1414
NSN 6135-01-176-2206
NSN 6685-01-054-6108
NSN 6620-01-175-2084
NSN 5975-00-318-4623
NSN 6240-00-914-2549
NSN 5965-00-196-7320